[workflow] Extract linting into a reusable workflow

.github/actions/setup/action.yml

@@ -2,8 +2,8 @@ name: 'Setup'
 description: 'Checkout repository, setup rust toolchain and dependencies'
 
 inputs:
-  service-name:
-    description: 'A directory name where the service target is located'
+  working-directory:
+    description: 'A directory where the service code is located'
     required: true
   components:
     description: Comma-separated list of components to be additionally installed
@@ -24,4 +24,4 @@ runs:
       uses: Swatinem/rust-cache@v2
       with:
         cache-on-failure: true
-        workspaces: '${{ inputs.workspaces }} -> target'
+        workspaces: '${{ inputs.working-directory }} -> target'

.github/workflows/da-indexer.yml

@@ -8,12 +8,14 @@ on:
       - da-indexer/**
       - .github/workflows/da-indexer.yml
       - .github/workflows/_*.yml
+      - .github/workflows/r_*.yml
       - .github/actions/**
   pull_request:
     paths:
       - da-indexer/**
       - .github/workflows/da-indexer.yml
       - .github/workflows/_*.yml
+      - .github/workflows/r_*.yml
       - .github/actions/**
 
 name: Test, lint and docker (da-indexer)
@@ -46,7 +48,7 @@ jobs:
       - name: Setup
         uses: ./.github/actions/setup
         with:
-          service-name: da-indexer
+          working-directory: da-indexer
 
       - name: Unit tests
         run: RUST_BACKTRACE=1 RUST_LOG=info cargo test --locked --workspace --all-features --lib --bins -- --nocapture
@@ -67,22 +69,9 @@ jobs:
 
   lint:
     name: Linting
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@v4
-
-      - name: Setup
-        uses: ./.github/actions/setup
-        with:
-          service-name: da-indexer
-          components: rustfmt, clippy
-
-      - name: cargo fmt
-        run: cargo fmt --all -- --check --config imports_granularity=Crate
-
-      - name: cargo clippy
-        run: cargo clippy --all --all-targets --all-features -- -D warnings
+    uses: ./.github/workflows/r_linting.yml
+    with:
+      working-directory: da-indexer
 
   docker:
     name: Docker build and docker push

.github/workflows/r_linting.yml

@@ -0,0 +1,29 @@
+name: Linting (reusable)
+
+on:
+  workflow_call:
+    inputs:
+      working-directory:
+        required: true
+        type: string
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Setup
+        uses: ./.github/actions/setup
+        with:
+          working-directory: ${{ inputs.working-directory }}
+          components: rustfmt, clippy
+
+      - name: cargo fmt
+        run: cargo fmt --all -- --check --config imports_granularity=Crate
+        working-directory: ${{ inputs.working-directory }}
+
+      - name: cargo clippy
+        run: cargo clippy --all --all-targets --all-features -- -D warnings
+        working-directory: ${{ inputs.working-directory }}